(biology) Any of the various membranes sections comprising some organelles like the Golgi apparatus and the endoplasmic reticulum.

plural of cisterna

A region in the brain posterior to the medulla oblongata, below the cerebellum; cerebrospinal fluid enters from the fourth ventricle.

(anatomy) A dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flows

plural of terminal cisterna

(anatomy) One of the areas of the sarcoplasmic reticulum of striated muscle cells, surrounding T tubules, that are able to store calcium and release it when an action potential courses down the T tubules.

(anatomy) Relating to cisterns or cisternae

(cytology) A proposed transport mechanism of protein through the Golgi apparatus in which the cisternae move, beginning at the cis face and progressing via the medial face to the trans face.